Out-of-bounds Read Affecting qemu-kvm-block-iscsi package, versions <15:4.2.0-48.module+el8.4.0+20158+f6690737


Severity

Recommended
medium

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.05% (18th percentile)

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  • Snyk ID SNYK-ORACLE8-QEMUKVMBLOCKISCSI-2585644
  • published 10 Apr 2022
  • disclosed 31 Dec 2020

How to fix?

Upgrade Oracle:8 qemu-kvm-block-iscsi to version 15:4.2.0-48.module+el8.4.0+20158+f6690737 or higher.
This issue was patched in ELSA-2021-1762.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-block-iscsi package and not the qemu-kvm-block-iscsi package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.

CVSS Scores

version 3.1
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NVD

3.8 low
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None
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SUSE

5.5 medium
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Red Hat

3.8 low